Home / 31,133.40-46,700.10-10,356.90

Finding the Fourth Proportional to 31,133.40, 46,700.10 and 10,356.90

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Solution

The fourth proportional to 31,133.40, 46,700.10 and 10,356.90 is: 15,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.40 : 46,700.10 = 10,356.90 : x
  2. Step 2: Convert to fraction form
    31,133.40/46,700.10 = 10,356.90/x
  3. Step 3: Cross multiply
    31,133.40x = 46,700.10 × 10,356.90
  4. Step 4: Simplify right side
    31,133.40x = 483,668,265.69
  5. Step 5: Solve for x
    x = 483,668,265.69/31,133.40
  6. Step 6: Final answer
    x = 15,535.35

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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.