Home / 48,553.04-72,881.40-20,870.48

Finding the Fourth Proportional to 48,553.04, 72,881.40 and 20,870.48

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Solution

The fourth proportional to 48,553.04, 72,881.40 and 20,870.48 is: 31,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553.04 : 72,881.40 = 20,870.48 : x
  2. Step 2: Convert to fraction form
    48,553.04/72,881.40 = 20,870.48/x
  3. Step 3: Cross multiply
    48,553.04x = 72,881.40 × 20,870.48
  4. Step 4: Simplify right side
    48,553.04x = 1,521,069,801.07
  5. Step 5: Solve for x
    x = 1,521,069,801.07/48,553.04
  6. Step 6: Final answer
    x = 31,328.00

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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.