Home / 48,492.90-72,739.35-13,432.56

Finding the Fourth Proportional to 48,492.90, 72,739.35 and 13,432.56

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Solution

The fourth proportional to 48,492.90, 72,739.35 and 13,432.56 is: 20,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.90 : 72,739.35 = 13,432.56 : x
  2. Step 2: Convert to fraction form
    48,492.90/72,739.35 = 13,432.56/x
  3. Step 3: Cross multiply
    48,492.90x = 72,739.35 × 13,432.56
  4. Step 4: Simplify right side
    48,492.90x = 977,075,683.24
  5. Step 5: Solve for x
    x = 977,075,683.24/48,492.90
  6. Step 6: Final answer
    x = 20,148.84

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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.