Home / 65,502.02-90,393.11-38,279.69

Finding the Fourth Proportional to 65,502.02, 90,393.11 and 38,279.69

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Solution

The fourth proportional to 65,502.02, 90,393.11 and 38,279.69 is: 52,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,502.02 : 90,393.11 = 38,279.69 : x
  2. Step 2: Convert to fraction form
    65,502.02/90,393.11 = 38,279.69/x
  3. Step 3: Cross multiply
    65,502.02x = 90,393.11 × 38,279.69
  4. Step 4: Simplify right side
    65,502.02x = 3,460,220,283.42
  5. Step 5: Solve for x
    x = 3,460,220,283.42/65,502.02
  6. Step 6: Final answer
    x = 52,826.16

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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.