Home / 37,617.60-56,404.80-11,318.40

Finding the Fourth Proportional to 37,617.60, 56,404.80 and 11,318.40

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Solution

The fourth proportional to 37,617.60, 56,404.80 and 11,318.40 is: 16,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.60 : 56,404.80 = 11,318.40 : x
  2. Step 2: Convert to fraction form
    37,617.60/56,404.80 = 11,318.40/x
  3. Step 3: Cross multiply
    37,617.60x = 56,404.80 × 11,318.40
  4. Step 4: Simplify right side
    37,617.60x = 638,412,088.32
  5. Step 5: Solve for x
    x = 638,412,088.32/37,617.60
  6. Step 6: Final answer
    x = 16,971.10

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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.