Home / 56,420.12-84,547.02-31,425.76

Finding the Fourth Proportional to 56,420.12, 84,547.02 and 31,425.76

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Solution

The fourth proportional to 56,420.12, 84,547.02 and 31,425.76 is: 47,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.12 : 84,547.02 = 31,425.76 : x
  2. Step 2: Convert to fraction form
    56,420.12/84,547.02 = 31,425.76/x
  3. Step 3: Cross multiply
    56,420.12x = 84,547.02 × 31,425.76
  4. Step 4: Simplify right side
    56,420.12x = 2,656,954,359.24
  5. Step 5: Solve for x
    x = 2,656,954,359.24/56,420.12
  6. Step 6: Final answer
    x = 47,092.32

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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.