Home / 47,210.36-70,827.69-13,929.08

Finding the Fourth Proportional to 47,210.36, 70,827.69 and 13,929.08

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Solution

The fourth proportional to 47,210.36, 70,827.69 and 13,929.08 is: 20,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.36 : 70,827.69 = 13,929.08 : x
  2. Step 2: Convert to fraction form
    47,210.36/70,827.69 = 13,929.08/x
  3. Step 3: Cross multiply
    47,210.36x = 70,827.69 × 13,929.08
  4. Step 4: Simplify right side
    47,210.36x = 986,564,560.23
  5. Step 5: Solve for x
    x = 986,564,560.23/47,210.36
  6. Step 6: Final answer
    x = 20,897.20

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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.