Home / 42,291.12-63,437.71-14,211.58

Finding the Fourth Proportional to 42,291.12, 63,437.71 and 14,211.58

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Solution

The fourth proportional to 42,291.12, 63,437.71 and 14,211.58 is: 21,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.12 : 63,437.71 = 14,211.58 : x
  2. Step 2: Convert to fraction form
    42,291.12/63,437.71 = 14,211.58/x
  3. Step 3: Cross multiply
    42,291.12x = 63,437.71 × 14,211.58
  4. Step 4: Simplify right side
    42,291.12x = 901,550,090.68
  5. Step 5: Solve for x
    x = 901,550,090.68/42,291.12
  6. Step 6: Final answer
    x = 21,317.72

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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.