Home / 52,846.30-72,925.95-28,972.45

Finding the Fourth Proportional to 52,846.30, 72,925.95 and 28,972.45

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Solution

The fourth proportional to 52,846.30, 72,925.95 and 28,972.45 is: 39,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,846.30 : 72,925.95 = 28,972.45 : x
  2. Step 2: Convert to fraction form
    52,846.30/72,925.95 = 28,972.45/x
  3. Step 3: Cross multiply
    52,846.30x = 72,925.95 × 28,972.45
  4. Step 4: Simplify right side
    52,846.30x = 2,112,843,440.08
  5. Step 5: Solve for x
    x = 2,112,843,440.08/52,846.30
  6. Step 6: Final answer
    x = 39,980.92

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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.