Home / 35,335.74-48,761.53-19,420.76

Finding the Fourth Proportional to 35,335.74, 48,761.53 and 19,420.76

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Solution

The fourth proportional to 35,335.74, 48,761.53 and 19,420.76 is: 26,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.74 : 48,761.53 = 19,420.76 : x
  2. Step 2: Convert to fraction form
    35,335.74/48,761.53 = 19,420.76/x
  3. Step 3: Cross multiply
    35,335.74x = 48,761.53 × 19,420.76
  4. Step 4: Simplify right side
    35,335.74x = 946,986,044.71
  5. Step 5: Solve for x
    x = 946,986,044.71/35,335.74
  6. Step 6: Final answer
    x = 26,799.66

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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.