Home / 40,882.08-61,303.52-18,688.80

Finding the Fourth Proportional to 40,882.08, 61,303.52 and 18,688.80

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Solution

The fourth proportional to 40,882.08, 61,303.52 and 18,688.80 is: 28,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.08 : 61,303.52 = 18,688.80 : x
  2. Step 2: Convert to fraction form
    40,882.08/61,303.52 = 18,688.80/x
  3. Step 3: Cross multiply
    40,882.08x = 61,303.52 × 18,688.80
  4. Step 4: Simplify right side
    40,882.08x = 1,145,689,224.58
  5. Step 5: Solve for x
    x = 1,145,689,224.58/40,882.08
  6. Step 6: Final answer
    x = 28,024.24

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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.