Home / 38,271.02-52,818.38-21,276.95

Finding the Fourth Proportional to 38,271.02, 52,818.38 and 21,276.95

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Solution

The fourth proportional to 38,271.02, 52,818.38 and 21,276.95 is: 29,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.02 : 52,818.38 = 21,276.95 : x
  2. Step 2: Convert to fraction form
    38,271.02/52,818.38 = 21,276.95/x
  3. Step 3: Cross multiply
    38,271.02x = 52,818.38 × 21,276.95
  4. Step 4: Simplify right side
    38,271.02x = 1,123,813,659.86
  5. Step 5: Solve for x
    x = 1,123,813,659.86/38,271.02
  6. Step 6: Final answer
    x = 29,364.62

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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.