Home / 56,673.40-78,206.16-31,521.28

Finding the Fourth Proportional to 56,673.40, 78,206.16 and 31,521.28

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Solution

The fourth proportional to 56,673.40, 78,206.16 and 31,521.28 is: 43,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.40 : 78,206.16 = 31,521.28 : x
  2. Step 2: Convert to fraction form
    56,673.40/78,206.16 = 31,521.28/x
  3. Step 3: Cross multiply
    56,673.40x = 78,206.16 × 31,521.28
  4. Step 4: Simplify right side
    56,673.40x = 2,465,158,267.08
  5. Step 5: Solve for x
    x = 2,465,158,267.08/56,673.40
  6. Step 6: Final answer
    x = 43,497.62

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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.