Home / 31,048.40-46,572.60-11,320.40

Finding the Fourth Proportional to 31,048.40, 46,572.60 and 11,320.40

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Solution

The fourth proportional to 31,048.40, 46,572.60 and 11,320.40 is: 16,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.40 : 46,572.60 = 11,320.40 : x
  2. Step 2: Convert to fraction form
    31,048.40/46,572.60 = 11,320.40/x
  3. Step 3: Cross multiply
    31,048.40x = 46,572.60 × 11,320.40
  4. Step 4: Simplify right side
    31,048.40x = 527,220,461.04
  5. Step 5: Solve for x
    x = 527,220,461.04/31,048.40
  6. Step 6: Final answer
    x = 16,980.60

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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.