Home / 45,657.18-63,024.48-40,868.69

Finding the Fourth Proportional to 45,657.18, 63,024.48 and 40,868.69

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Solution

The fourth proportional to 45,657.18, 63,024.48 and 40,868.69 is: 56,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.18 : 63,024.48 = 40,868.69 : x
  2. Step 2: Convert to fraction form
    45,657.18/63,024.48 = 40,868.69/x
  3. Step 3: Cross multiply
    45,657.18x = 63,024.48 × 40,868.69
  4. Step 4: Simplify right side
    45,657.18x = 2,575,727,620.41
  5. Step 5: Solve for x
    x = 2,575,727,620.41/45,657.18
  6. Step 6: Final answer
    x = 56,414.51

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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.