Home / 32,420.28-48,492.18-19,909.56

Finding the Fourth Proportional to 32,420.28, 48,492.18 and 19,909.56

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Solution

The fourth proportional to 32,420.28, 48,492.18 and 19,909.56 is: 29,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.28 : 48,492.18 = 19,909.56 : x
  2. Step 2: Convert to fraction form
    32,420.28/48,492.18 = 19,909.56/x
  3. Step 3: Cross multiply
    32,420.28x = 48,492.18 × 19,909.56
  4. Step 4: Simplify right side
    32,420.28x = 965,457,967.24
  5. Step 5: Solve for x
    x = 965,457,967.24/32,420.28
  6. Step 6: Final answer
    x = 29,779.45

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1.5x scale

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.