Home / 29,345.76-44,024.35-12,478.58

Finding the Fourth Proportional to 29,345.76, 44,024.35 and 12,478.58

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Solution

The fourth proportional to 29,345.76, 44,024.35 and 12,478.58 is: 18,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.76 : 44,024.35 = 12,478.58 : x
  2. Step 2: Convert to fraction form
    29,345.76/44,024.35 = 12,478.58/x
  3. Step 3: Cross multiply
    29,345.76x = 44,024.35 × 12,478.58
  4. Step 4: Simplify right side
    29,345.76x = 549,361,373.42
  5. Step 5: Solve for x
    x = 549,361,373.42/29,345.76
  6. Step 6: Final answer
    x = 18,720.30

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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.