Home / 48,643.30-72,964.95-13,582.90

Finding the Fourth Proportional to 48,643.30, 72,964.95 and 13,582.90

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Solution

The fourth proportional to 48,643.30, 72,964.95 and 13,582.90 is: 20,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.30 : 72,964.95 = 13,582.90 : x
  2. Step 2: Convert to fraction form
    48,643.30/72,964.95 = 13,582.90/x
  3. Step 3: Cross multiply
    48,643.30x = 72,964.95 × 13,582.90
  4. Step 4: Simplify right side
    48,643.30x = 991,075,619.36
  5. Step 5: Solve for x
    x = 991,075,619.36/48,643.30
  6. Step 6: Final answer
    x = 20,374.35

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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.