Home / 47,279.50-70,931.40-17,697.76

Finding the Fourth Proportional to 47,279.50, 70,931.40 and 17,697.76

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Solution

The fourth proportional to 47,279.50, 70,931.40 and 17,697.76 is: 26,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.50 : 70,931.40 = 17,697.76 : x
  2. Step 2: Convert to fraction form
    47,279.50/70,931.40 = 17,697.76/x
  3. Step 3: Cross multiply
    47,279.50x = 70,931.40 × 17,697.76
  4. Step 4: Simplify right side
    47,279.50x = 1,255,326,893.66
  5. Step 5: Solve for x
    x = 1,255,326,893.66/47,279.50
  6. Step 6: Final answer
    x = 26,551.19

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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.