Home / 60,752.09-91,150.01-21,315.35

Finding the Fourth Proportional to 60,752.09, 91,150.01 and 21,315.35

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Solution

The fourth proportional to 60,752.09, 91,150.01 and 21,315.35 is: 31,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,752.09 : 91,150.01 = 21,315.35 : x
  2. Step 2: Convert to fraction form
    60,752.09/91,150.01 = 21,315.35/x
  3. Step 3: Cross multiply
    60,752.09x = 91,150.01 × 21,315.35
  4. Step 4: Simplify right side
    60,752.09x = 1,942,893,803.33
  5. Step 5: Solve for x
    x = 1,942,893,803.33/60,752.09
  6. Step 6: Final answer
    x = 31,980.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.