Home / 32,117.16-48,248.64-20,307.36

Finding the Fourth Proportional to 32,117.16, 48,248.64 and 20,307.36

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Solution

The fourth proportional to 32,117.16, 48,248.64 and 20,307.36 is: 30,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,117.16 : 48,248.64 = 20,307.36 : x
  2. Step 2: Convert to fraction form
    32,117.16/48,248.64 = 20,307.36/x
  3. Step 3: Cross multiply
    32,117.16x = 48,248.64 × 20,307.36
  4. Step 4: Simplify right side
    32,117.16x = 979,802,501.99
  5. Step 5: Solve for x
    x = 979,802,501.99/32,117.16
  6. Step 6: Final answer
    x = 30,507.13

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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.