Home / 47,407.60-65,423.08-26,186.88

Finding the Fourth Proportional to 47,407.60, 65,423.08 and 26,186.88

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Solution

The fourth proportional to 47,407.60, 65,423.08 and 26,186.88 is: 36,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.60 : 65,423.08 = 26,186.88 : x
  2. Step 2: Convert to fraction form
    47,407.60/65,423.08 = 26,186.88/x
  3. Step 3: Cross multiply
    47,407.60x = 65,423.08 × 26,186.88
  4. Step 4: Simplify right side
    47,407.60x = 1,713,226,345.19
  5. Step 5: Solve for x
    x = 1,713,226,345.19/47,407.60
  6. Step 6: Final answer
    x = 36,138.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.