Home / 42,065.04-63,091.02-13,985.58

Finding the Fourth Proportional to 42,065.04, 63,091.02 and 13,985.58

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Solution

The fourth proportional to 42,065.04, 63,091.02 and 13,985.58 is: 20,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065.04 : 63,091.02 = 13,985.58 : x
  2. Step 2: Convert to fraction form
    42,065.04/63,091.02 = 13,985.58/x
  3. Step 3: Cross multiply
    42,065.04x = 63,091.02 × 13,985.58
  4. Step 4: Simplify right side
    42,065.04x = 882,364,507.49
  5. Step 5: Solve for x
    x = 882,364,507.49/42,065.04
  6. Step 6: Final answer
    x = 20,976.20

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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.