Home / 31,023.64-42,803.58-19,088.92

Finding the Fourth Proportional to 31,023.64, 42,803.58 and 19,088.92

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Solution

The fourth proportional to 31,023.64, 42,803.58 and 19,088.92 is: 26,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.64 : 42,803.58 = 19,088.92 : x
  2. Step 2: Convert to fraction form
    31,023.64/42,803.58 = 19,088.92/x
  3. Step 3: Cross multiply
    31,023.64x = 42,803.58 × 19,088.92
  4. Step 4: Simplify right side
    31,023.64x = 817,074,114.33
  5. Step 5: Solve for x
    x = 817,074,114.33/31,023.64
  6. Step 6: Final answer
    x = 26,337.15

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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.