Home / 34,426.60-47,518.02-20,283.88

Finding the Fourth Proportional to 34,426.60, 47,518.02 and 20,283.88

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Solution

The fourth proportional to 34,426.60, 47,518.02 and 20,283.88 is: 27,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,426.60 : 47,518.02 = 20,283.88 : x
  2. Step 2: Convert to fraction form
    34,426.60/47,518.02 = 20,283.88/x
  3. Step 3: Cross multiply
    34,426.60x = 47,518.02 × 20,283.88
  4. Step 4: Simplify right side
    34,426.60x = 963,849,815.52
  5. Step 5: Solve for x
    x = 963,849,815.52/34,426.60
  6. Step 6: Final answer
    x = 27,997.24

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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.