Home / 67,656.36-93,343.02-39,338.76

Finding the Fourth Proportional to 67,656.36, 93,343.02 and 39,338.76

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Solution

The fourth proportional to 67,656.36, 93,343.02 and 39,338.76 is: 54,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,656.36 : 93,343.02 = 39,338.76 : x
  2. Step 2: Convert to fraction form
    67,656.36/93,343.02 = 39,338.76/x
  3. Step 3: Cross multiply
    67,656.36x = 93,343.02 × 39,338.76
  4. Step 4: Simplify right side
    67,656.36x = 3,671,998,661.46
  5. Step 5: Solve for x
    x = 3,671,998,661.46/67,656.36
  6. Step 6: Final answer
    x = 54,274.26

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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.