Home / 67,390.84-93,000.72-39,098.35

Finding the Fourth Proportional to 67,390.84, 93,000.72 and 39,098.35

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Solution

The fourth proportional to 67,390.84, 93,000.72 and 39,098.35 is: 53,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.84 : 93,000.72 = 39,098.35 : x
  2. Step 2: Convert to fraction form
    67,390.84/93,000.72 = 39,098.35/x
  3. Step 3: Cross multiply
    67,390.84x = 93,000.72 × 39,098.35
  4. Step 4: Simplify right side
    67,390.84x = 3,636,174,700.81
  5. Step 5: Solve for x
    x = 3,636,174,700.81/67,390.84
  6. Step 6: Final answer
    x = 53,956.51

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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.