Home / 31,095,200.25-42,925,136.22-20,087,317.26

Finding the Fourth Proportional to 31,095,200.25, 42,925,136.22 and 20,087,317.26

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Solution

The fourth proportional to 31,095,200.25, 42,925,136.22 and 20,087,317.26 is: 27,729,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095,200.25 : 42,925,136.22 = 20,087,317.26 : x
  2. Step 2: Convert to fraction form
    31,095,200.25/42,925,136.22 = 20,087,317.26/x
  3. Step 3: Cross multiply
    31,095,200.25x = 42,925,136.22 × 20,087,317.26
  4. Step 4: Simplify right side
    31,095,200.25x = 862,250,829,679,857.25
  5. Step 5: Solve for x
    x = 862,250,829,679,857.25/31,095,200.25
  6. Step 6: Final answer
    x = 27,729,386.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.