Home / 42,977.80-64,440.18-14,891.32

Finding the Fourth Proportional to 42,977.80, 64,440.18 and 14,891.32

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Solution

The fourth proportional to 42,977.80, 64,440.18 and 14,891.32 is: 22,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.80 : 64,440.18 = 14,891.32 : x
  2. Step 2: Convert to fraction form
    42,977.80/64,440.18 = 14,891.32/x
  3. Step 3: Cross multiply
    42,977.80x = 64,440.18 × 14,891.32
  4. Step 4: Simplify right side
    42,977.80x = 959,599,341.24
  5. Step 5: Solve for x
    x = 959,599,341.24/42,977.80
  6. Step 6: Final answer
    x = 22,327.79

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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.