Home / 56,624.69-78,143.58-31,132.13

Finding the Fourth Proportional to 56,624.69, 78,143.58 and 31,132.13

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Solution

The fourth proportional to 56,624.69, 78,143.58 and 31,132.13 is: 42,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,624.69 : 78,143.58 = 31,132.13 : x
  2. Step 2: Convert to fraction form
    56,624.69/78,143.58 = 31,132.13/x
  3. Step 3: Cross multiply
    56,624.69x = 78,143.58 × 31,132.13
  4. Step 4: Simplify right side
    56,624.69x = 2,432,775,700.51
  5. Step 5: Solve for x
    x = 2,432,775,700.51/56,624.69
  6. Step 6: Final answer
    x = 42,963.16

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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.