Home / 45,106.83-62,218.40-30,967.47

Finding the Fourth Proportional to 45,106.83, 62,218.40 and 30,967.47

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Solution

The fourth proportional to 45,106.83, 62,218.40 and 30,967.47 is: 42,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.83 : 62,218.40 = 30,967.47 : x
  2. Step 2: Convert to fraction form
    45,106.83/62,218.40 = 30,967.47/x
  3. Step 3: Cross multiply
    45,106.83x = 62,218.40 × 30,967.47
  4. Step 4: Simplify right side
    45,106.83x = 1,926,746,280.61
  5. Step 5: Solve for x
    x = 1,926,746,280.61/45,106.83
  6. Step 6: Final answer
    x = 42,715.18

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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.