Home / 42,120.95-58,124.59-26,205.26

Finding the Fourth Proportional to 42,120.95, 58,124.59 and 26,205.26

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Solution

The fourth proportional to 42,120.95, 58,124.59 and 26,205.26 is: 36,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.95 : 58,124.59 = 26,205.26 : x
  2. Step 2: Convert to fraction form
    42,120.95/58,124.59 = 26,205.26/x
  3. Step 3: Cross multiply
    42,120.95x = 58,124.59 × 26,205.26
  4. Step 4: Simplify right side
    42,120.95x = 1,523,169,637.21
  5. Step 5: Solve for x
    x = 1,523,169,637.21/42,120.95
  6. Step 6: Final answer
    x = 36,161.81

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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.