Home / 56,730.60-85,095.90-38,068.20

Finding the Fourth Proportional to 56,730.60, 85,095.90 and 38,068.20

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Solution

The fourth proportional to 56,730.60, 85,095.90 and 38,068.20 is: 57,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.60 : 85,095.90 = 38,068.20 : x
  2. Step 2: Convert to fraction form
    56,730.60/85,095.90 = 38,068.20/x
  3. Step 3: Cross multiply
    56,730.60x = 85,095.90 × 38,068.20
  4. Step 4: Simplify right side
    56,730.60x = 3,239,447,740.38
  5. Step 5: Solve for x
    x = 3,239,447,740.38/56,730.60
  6. Step 6: Final answer
    x = 57,102.30

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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.