Home / 40,065.04-60,045.72-19,277.20

Finding the Fourth Proportional to 40,065.04, 60,045.72 and 19,277.20

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Solution

The fourth proportional to 40,065.04, 60,045.72 and 19,277.20 is: 28,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.04 : 60,045.72 = 19,277.20 : x
  2. Step 2: Convert to fraction form
    40,065.04/60,045.72 = 19,277.20/x
  3. Step 3: Cross multiply
    40,065.04x = 60,045.72 × 19,277.20
  4. Step 4: Simplify right side
    40,065.04x = 1,157,513,353.58
  5. Step 5: Solve for x
    x = 1,157,513,353.58/40,065.04
  6. Step 6: Final answer
    x = 28,890.86

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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.