Home / 42,036.32-63,015.76-14,315.04

Finding the Fourth Proportional to 42,036.32, 63,015.76 and 14,315.04

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Solution

The fourth proportional to 42,036.32, 63,015.76 and 14,315.04 is: 21,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.32 : 63,015.76 = 14,315.04 : x
  2. Step 2: Convert to fraction form
    42,036.32/63,015.76 = 14,315.04/x
  3. Step 3: Cross multiply
    42,036.32x = 63,015.76 × 14,315.04
  4. Step 4: Simplify right side
    42,036.32x = 902,073,125.03
  5. Step 5: Solve for x
    x = 902,073,125.03/42,036.32
  6. Step 6: Final answer
    x = 21,459.37

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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.