Home / 31,242.36-46,868.40-10,461

Finding the Fourth Proportional to 31,242.36, 46,868.40 and 10,461

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Solution

The fourth proportional to 31,242.36, 46,868.40 and 10,461 is: 15,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.36 : 46,868.40 = 10,461 : x
  2. Step 2: Convert to fraction form
    31,242.36/46,868.40 = 10,461/x
  3. Step 3: Cross multiply
    31,242.36x = 46,868.40 × 10,461
  4. Step 4: Simplify right side
    31,242.36x = 490,290,332.40
  5. Step 5: Solve for x
    x = 490,290,332.40/31,242.36
  6. Step 6: Final answer
    x = 15,693.13

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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.