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Finding the Fourth Proportional to 45,655.68, 63,022.41 and 40,867.17

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Solution

The fourth proportional to 45,655.68, 63,022.41 and 40,867.17 is: 56,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,655.68 : 63,022.41 = 40,867.17 : x
  2. Step 2: Convert to fraction form
    45,655.68/63,022.41 = 40,867.17/x
  3. Step 3: Cross multiply
    45,655.68x = 63,022.41 × 40,867.17
  4. Step 4: Simplify right side
    45,655.68x = 2,575,547,543.28
  5. Step 5: Solve for x
    x = 2,575,547,543.28/45,655.68
  6. Step 6: Final answer
    x = 56,412.42

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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.