Home / 31,095.13-42,911.28-16,948.01

Finding the Fourth Proportional to 31,095.13, 42,911.28 and 16,948.01

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Solution

The fourth proportional to 31,095.13, 42,911.28 and 16,948.01 is: 23,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095.13 : 42,911.28 = 16,948.01 : x
  2. Step 2: Convert to fraction form
    31,095.13/42,911.28 = 16,948.01/x
  3. Step 3: Cross multiply
    31,095.13x = 42,911.28 × 16,948.01
  4. Step 4: Simplify right side
    31,095.13x = 727,260,503.26
  5. Step 5: Solve for x
    x = 727,260,503.26/31,095.13
  6. Step 6: Final answer
    x = 23,388.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.