Home / 42,752.84-64,141.08-17,804.60

Finding the Fourth Proportional to 42,752.84, 64,141.08 and 17,804.60

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Solution

The fourth proportional to 42,752.84, 64,141.08 and 17,804.60 is: 26,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.84 : 64,141.08 = 17,804.60 : x
  2. Step 2: Convert to fraction form
    42,752.84/64,141.08 = 17,804.60/x
  3. Step 3: Cross multiply
    42,752.84x = 64,141.08 × 17,804.60
  4. Step 4: Simplify right side
    42,752.84x = 1,142,006,272.97
  5. Step 5: Solve for x
    x = 1,142,006,272.97/42,752.84
  6. Step 6: Final answer
    x = 26,711.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.