Home / 40,315.28-60,444.02-18,956.04

Finding the Fourth Proportional to 40,315.28, 60,444.02 and 18,956.04

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Solution

The fourth proportional to 40,315.28, 60,444.02 and 18,956.04 is: 28,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.28 : 60,444.02 = 18,956.04 : x
  2. Step 2: Convert to fraction form
    40,315.28/60,444.02 = 18,956.04/x
  3. Step 3: Cross multiply
    40,315.28x = 60,444.02 × 18,956.04
  4. Step 4: Simplify right side
    40,315.28x = 1,145,779,260.88
  5. Step 5: Solve for x
    x = 1,145,779,260.88/40,315.28
  6. Step 6: Final answer
    x = 28,420.47

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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.