Home / 67,439.40-93,103.65-40,588.50

Finding the Fourth Proportional to 67,439.40, 93,103.65 and 40,588.50

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Solution

The fourth proportional to 67,439.40, 93,103.65 and 40,588.50 is: 56,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.40 : 93,103.65 = 40,588.50 : x
  2. Step 2: Convert to fraction form
    67,439.40/93,103.65 = 40,588.50/x
  3. Step 3: Cross multiply
    67,439.40x = 93,103.65 × 40,588.50
  4. Step 4: Simplify right side
    67,439.40x = 3,778,937,498.03
  5. Step 5: Solve for x
    x = 3,778,937,498.03/67,439.40
  6. Step 6: Final answer
    x = 56,034.57

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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.