Home / 31,210.17-43,092.59-19,289.85

Finding the Fourth Proportional to 31,210.17, 43,092.59 and 19,289.85

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Solution

The fourth proportional to 31,210.17, 43,092.59 and 19,289.85 is: 26,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.17 : 43,092.59 = 19,289.85 : x
  2. Step 2: Convert to fraction form
    31,210.17/43,092.59 = 19,289.85/x
  3. Step 3: Cross multiply
    31,210.17x = 43,092.59 × 19,289.85
  4. Step 4: Simplify right side
    31,210.17x = 831,249,500.76
  5. Step 5: Solve for x
    x = 831,249,500.76/31,210.17
  6. Step 6: Final answer
    x = 26,633.93

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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.