Home / 39,312.84-54,251.18-22,316.93

Finding the Fourth Proportional to 39,312.84, 54,251.18 and 22,316.93

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Solution

The fourth proportional to 39,312.84, 54,251.18 and 22,316.93 is: 30,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.84 : 54,251.18 = 22,316.93 : x
  2. Step 2: Convert to fraction form
    39,312.84/54,251.18 = 22,316.93/x
  3. Step 3: Cross multiply
    39,312.84x = 54,251.18 × 22,316.93
  4. Step 4: Simplify right side
    39,312.84x = 1,210,719,915.13
  5. Step 5: Solve for x
    x = 1,210,719,915.13/39,312.84
  6. Step 6: Final answer
    x = 30,797.06

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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.