Home / 32,501.40-48,752.10-21,420.60

Finding the Fourth Proportional to 32,501.40, 48,752.10 and 21,420.60

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Solution

The fourth proportional to 32,501.40, 48,752.10 and 21,420.60 is: 32,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,501.40 : 48,752.10 = 21,420.60 : x
  2. Step 2: Convert to fraction form
    32,501.40/48,752.10 = 21,420.60/x
  3. Step 3: Cross multiply
    32,501.40x = 48,752.10 × 21,420.60
  4. Step 4: Simplify right side
    32,501.40x = 1,044,299,233.26
  5. Step 5: Solve for x
    x = 1,044,299,233.26/32,501.40
  6. Step 6: Final answer
    x = 32,130.90

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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.