Home / 56,731.60-85,097.40-42,005.80

Finding the Fourth Proportional to 56,731.60, 85,097.40 and 42,005.80

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Solution

The fourth proportional to 56,731.60, 85,097.40 and 42,005.80 is: 63,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.60 : 85,097.40 = 42,005.80 : x
  2. Step 2: Convert to fraction form
    56,731.60/85,097.40 = 42,005.80/x
  3. Step 3: Cross multiply
    56,731.60x = 85,097.40 × 42,005.80
  4. Step 4: Simplify right side
    56,731.60x = 3,574,584,364.92
  5. Step 5: Solve for x
    x = 3,574,584,364.92/56,731.60
  6. Step 6: Final answer
    x = 63,008.70

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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.