Home / 36,980.08-55,437-13,590.16

Finding the Fourth Proportional to 36,980.08, 55,437 and 13,590.16

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Solution

The fourth proportional to 36,980.08, 55,437 and 13,590.16 is: 20,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.08 : 55,437 = 13,590.16 : x
  2. Step 2: Convert to fraction form
    36,980.08/55,437 = 13,590.16/x
  3. Step 3: Cross multiply
    36,980.08x = 55,437 × 13,590.16
  4. Step 4: Simplify right side
    36,980.08x = 753,397,699.92
  5. Step 5: Solve for x
    x = 753,397,699.92/36,980.08
  6. Step 6: Final answer
    x = 20,373.07

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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.