Home / 47,389.08-65,397.60-26,168.70

Finding the Fourth Proportional to 47,389.08, 65,397.60 and 26,168.70

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Solution

The fourth proportional to 47,389.08, 65,397.60 and 26,168.70 is: 36,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.08 : 65,397.60 = 26,168.70 : x
  2. Step 2: Convert to fraction form
    47,389.08/65,397.60 = 26,168.70/x
  3. Step 3: Cross multiply
    47,389.08x = 65,397.60 × 26,168.70
  4. Step 4: Simplify right side
    47,389.08x = 1,711,370,175.12
  5. Step 5: Solve for x
    x = 1,711,370,175.12/47,389.08
  6. Step 6: Final answer
    x = 36,113.18

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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.