Home / 56,364.68-77,785.60-31,214.18

Finding the Fourth Proportional to 56,364.68, 77,785.60 and 31,214.18

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Solution

The fourth proportional to 56,364.68, 77,785.60 and 31,214.18 is: 43,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,364.68 : 77,785.60 = 31,214.18 : x
  2. Step 2: Convert to fraction form
    56,364.68/77,785.60 = 31,214.18/x
  3. Step 3: Cross multiply
    56,364.68x = 77,785.60 × 31,214.18
  4. Step 4: Simplify right side
    56,364.68x = 2,428,013,719.81
  5. Step 5: Solve for x
    x = 2,428,013,719.81/56,364.68
  6. Step 6: Final answer
    x = 43,076.87

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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.