Home / 40,678.71-56,097.17-31,722.94

Finding the Fourth Proportional to 40,678.71, 56,097.17 and 31,722.94

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Solution

The fourth proportional to 40,678.71, 56,097.17 and 31,722.94 is: 43,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.71 : 56,097.17 = 31,722.94 : x
  2. Step 2: Convert to fraction form
    40,678.71/56,097.17 = 31,722.94/x
  3. Step 3: Cross multiply
    40,678.71x = 56,097.17 × 31,722.94
  4. Step 4: Simplify right side
    40,678.71x = 1,779,567,158.08
  5. Step 5: Solve for x
    x = 1,779,567,158.08/40,678.71
  6. Step 6: Final answer
    x = 43,746.90

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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.