Home / 42,787.04-64,166.90-14,700.32

Finding the Fourth Proportional to 42,787.04, 64,166.90 and 14,700.32

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Solution

The fourth proportional to 42,787.04, 64,166.90 and 14,700.32 is: 22,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.04 : 64,166.90 = 14,700.32 : x
  2. Step 2: Convert to fraction form
    42,787.04/64,166.90 = 14,700.32/x
  3. Step 3: Cross multiply
    42,787.04x = 64,166.90 × 14,700.32
  4. Step 4: Simplify right side
    42,787.04x = 943,273,963.41
  5. Step 5: Solve for x
    x = 943,273,963.41/42,787.04
  6. Step 6: Final answer
    x = 22,045.79

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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.