Home / 42,459.54-63,698.31-14,378.24

Finding the Fourth Proportional to 42,459.54, 63,698.31 and 14,378.24

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Solution

The fourth proportional to 42,459.54, 63,698.31 and 14,378.24 is: 21,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.54 : 63,698.31 = 14,378.24 : x
  2. Step 2: Convert to fraction form
    42,459.54/63,698.31 = 14,378.24/x
  3. Step 3: Cross multiply
    42,459.54x = 63,698.31 × 14,378.24
  4. Step 4: Simplify right side
    42,459.54x = 915,869,588.77
  5. Step 5: Solve for x
    x = 915,869,588.77/42,459.54
  6. Step 6: Final answer
    x = 21,570.41

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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.