Home / 56,026.40-77,315.40-30,532.97

Finding the Fourth Proportional to 56,026.40, 77,315.40 and 30,532.97

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Solution

The fourth proportional to 56,026.40, 77,315.40 and 30,532.97 is: 42,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,026.40 : 77,315.40 = 30,532.97 : x
  2. Step 2: Convert to fraction form
    56,026.40/77,315.40 = 30,532.97/x
  3. Step 3: Cross multiply
    56,026.40x = 77,315.40 × 30,532.97
  4. Step 4: Simplify right side
    56,026.40x = 2,360,668,788.74
  5. Step 5: Solve for x
    x = 2,360,668,788.74/56,026.40
  6. Step 6: Final answer
    x = 42,134.94

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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.