Home / 36,931.08-55,391.98-10,279.07

Finding the Fourth Proportional to 36,931.08, 55,391.98 and 10,279.07

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Solution

The fourth proportional to 36,931.08, 55,391.98 and 10,279.07 is: 15,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.08 : 55,391.98 = 10,279.07 : x
  2. Step 2: Convert to fraction form
    36,931.08/55,391.98 = 10,279.07/x
  3. Step 3: Cross multiply
    36,931.08x = 55,391.98 × 10,279.07
  4. Step 4: Simplify right side
    36,931.08x = 569,378,117.17
  5. Step 5: Solve for x
    x = 569,378,117.17/36,931.08
  6. Step 6: Final answer
    x = 15,417.31

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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.