Home / 47,558.79-71,350.02-14,279.45

Finding the Fourth Proportional to 47,558.79, 71,350.02 and 14,279.45

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Solution

The fourth proportional to 47,558.79, 71,350.02 and 14,279.45 is: 21,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,558.79 : 71,350.02 = 14,279.45 : x
  2. Step 2: Convert to fraction form
    47,558.79/71,350.02 = 14,279.45/x
  3. Step 3: Cross multiply
    47,558.79x = 71,350.02 × 14,279.45
  4. Step 4: Simplify right side
    47,558.79x = 1,018,838,686.34
  5. Step 5: Solve for x
    x = 1,018,838,686.34/47,558.79
  6. Step 6: Final answer
    x = 21,422.72

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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.