Home / 48,411.36-72,746.64-42,315.84

Finding the Fourth Proportional to 48,411.36, 72,746.64 and 42,315.84

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Solution

The fourth proportional to 48,411.36, 72,746.64 and 42,315.84 is: 63,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411.36 : 72,746.64 = 42,315.84 : x
  2. Step 2: Convert to fraction form
    48,411.36/72,746.64 = 42,315.84/x
  3. Step 3: Cross multiply
    48,411.36x = 72,746.64 × 42,315.84
  4. Step 4: Simplify right side
    48,411.36x = 3,078,335,178.78
  5. Step 5: Solve for x
    x = 3,078,335,178.78/48,411.36
  6. Step 6: Final answer
    x = 63,587.04

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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.