Home / 66,521.52-91,800.56-39,298.50

Finding the Fourth Proportional to 66,521.52, 91,800.56 and 39,298.50

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Solution

The fourth proportional to 66,521.52, 91,800.56 and 39,298.50 is: 54,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.52 : 91,800.56 = 39,298.50 : x
  2. Step 2: Convert to fraction form
    66,521.52/91,800.56 = 39,298.50/x
  3. Step 3: Cross multiply
    66,521.52x = 91,800.56 × 39,298.50
  4. Step 4: Simplify right side
    66,521.52x = 3,607,624,307.16
  5. Step 5: Solve for x
    x = 3,607,624,307.16/66,521.52
  6. Step 6: Final answer
    x = 54,232.44

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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.