Home / 38,688.60-58,032.90-36,355.80

Finding the Fourth Proportional to 38,688.60, 58,032.90 and 36,355.80

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Solution

The fourth proportional to 38,688.60, 58,032.90 and 36,355.80 is: 54,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.60 : 58,032.90 = 36,355.80 : x
  2. Step 2: Convert to fraction form
    38,688.60/58,032.90 = 36,355.80/x
  3. Step 3: Cross multiply
    38,688.60x = 58,032.90 × 36,355.80
  4. Step 4: Simplify right side
    38,688.60x = 2,109,832,505.82
  5. Step 5: Solve for x
    x = 2,109,832,505.82/38,688.60
  6. Step 6: Final answer
    x = 54,533.70

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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.