Home / 42,358.88-58,430.97-26,415.65

Finding the Fourth Proportional to 42,358.88, 58,430.97 and 26,415.65

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Solution

The fourth proportional to 42,358.88, 58,430.97 and 26,415.65 is: 36,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.88 : 58,430.97 = 26,415.65 : x
  2. Step 2: Convert to fraction form
    42,358.88/58,430.97 = 26,415.65/x
  3. Step 3: Cross multiply
    42,358.88x = 58,430.97 × 26,415.65
  4. Step 4: Simplify right side
    42,358.88x = 1,543,492,198.76
  5. Step 5: Solve for x
    x = 1,543,492,198.76/42,358.88
  6. Step 6: Final answer
    x = 36,438.45

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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.