Home / 40,603.41-60,842.30-28,147.77

Finding the Fourth Proportional to 40,603.41, 60,842.30 and 28,147.77

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Solution

The fourth proportional to 40,603.41, 60,842.30 and 28,147.77 is: 42,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,603.41 : 60,842.30 = 28,147.77 : x
  2. Step 2: Convert to fraction form
    40,603.41/60,842.30 = 28,147.77/x
  3. Step 3: Cross multiply
    40,603.41x = 60,842.30 × 28,147.77
  4. Step 4: Simplify right side
    40,603.41x = 1,712,574,925.93
  5. Step 5: Solve for x
    x = 1,712,574,925.93/40,603.41
  6. Step 6: Final answer
    x = 42,178.11

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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.