Home / 42,507.56-63,763.98-12,927.58

Finding the Fourth Proportional to 42,507.56, 63,763.98 and 12,927.58

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Solution

The fourth proportional to 42,507.56, 63,763.98 and 12,927.58 is: 19,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.56 : 63,763.98 = 12,927.58 : x
  2. Step 2: Convert to fraction form
    42,507.56/63,763.98 = 12,927.58/x
  3. Step 3: Cross multiply
    42,507.56x = 63,763.98 × 12,927.58
  4. Step 4: Simplify right side
    42,507.56x = 824,313,744.68
  5. Step 5: Solve for x
    x = 824,313,744.68/42,507.56
  6. Step 6: Final answer
    x = 19,392.17

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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.