Home / 34,324.67-51,403.17-21,158.93

Finding the Fourth Proportional to 34,324.67, 51,403.17 and 21,158.93

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Solution

The fourth proportional to 34,324.67, 51,403.17 and 21,158.93 is: 31,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324.67 : 51,403.17 = 21,158.93 : x
  2. Step 2: Convert to fraction form
    34,324.67/51,403.17 = 21,158.93/x
  3. Step 3: Cross multiply
    34,324.67x = 51,403.17 × 21,158.93
  4. Step 4: Simplify right side
    34,324.67x = 1,087,636,075.81
  5. Step 5: Solve for x
    x = 1,087,636,075.81/34,324.67
  6. Step 6: Final answer
    x = 31,686.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.