Home / 47,724.48-70,985.88-47,564.64

Finding the Fourth Proportional to 47,724.48, 70,985.88 and 47,564.64

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Solution

The fourth proportional to 47,724.48, 70,985.88 and 47,564.64 is: 70,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.48 : 70,985.88 = 47,564.64 : x
  2. Step 2: Convert to fraction form
    47,724.48/70,985.88 = 47,564.64/x
  3. Step 3: Cross multiply
    47,724.48x = 70,985.88 × 47,564.64
  4. Step 4: Simplify right side
    47,724.48x = 3,376,417,827.28
  5. Step 5: Solve for x
    x = 3,376,417,827.28/47,724.48
  6. Step 6: Final answer
    x = 70,748.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.