Home / 52,477.11-72,417.68-28,603.88

Finding the Fourth Proportional to 52,477.11, 72,417.68 and 28,603.88

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Solution

The fourth proportional to 52,477.11, 72,417.68 and 28,603.88 is: 39,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.11 : 72,417.68 = 28,603.88 : x
  2. Step 2: Convert to fraction form
    52,477.11/72,417.68 = 28,603.88/x
  3. Step 3: Cross multiply
    52,477.11x = 72,417.68 × 28,603.88
  4. Step 4: Simplify right side
    52,477.11x = 2,071,426,485.58
  5. Step 5: Solve for x
    x = 2,071,426,485.58/52,477.11
  6. Step 6: Final answer
    x = 39,472.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.