Home / 29,598.30-40,830.47-20,038.52

Finding the Fourth Proportional to 29,598.30, 40,830.47 and 20,038.52

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Solution

The fourth proportional to 29,598.30, 40,830.47 and 20,038.52 is: 27,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,598.30 : 40,830.47 = 20,038.52 : x
  2. Step 2: Convert to fraction form
    29,598.30/40,830.47 = 20,038.52/x
  3. Step 3: Cross multiply
    29,598.30x = 40,830.47 × 20,038.52
  4. Step 4: Simplify right side
    29,598.30x = 818,182,189.70
  5. Step 5: Solve for x
    x = 818,182,189.70/29,598.30
  6. Step 6: Final answer
    x = 27,642.88

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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.