Home / 58,788.68-81,129.36-31,931.24

Finding the Fourth Proportional to 58,788.68, 81,129.36 and 31,931.24

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Solution

The fourth proportional to 58,788.68, 81,129.36 and 31,931.24 is: 44,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.68 : 81,129.36 = 31,931.24 : x
  2. Step 2: Convert to fraction form
    58,788.68/81,129.36 = 31,931.24/x
  3. Step 3: Cross multiply
    58,788.68x = 81,129.36 × 31,931.24
  4. Step 4: Simplify right side
    58,788.68x = 2,590,561,065.21
  5. Step 5: Solve for x
    x = 2,590,561,065.21/58,788.68
  6. Step 6: Final answer
    x = 44,065.64

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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.