Home / 35,771.16-49,377.45-30,715.08

Finding the Fourth Proportional to 35,771.16, 49,377.45 and 30,715.08

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Solution

The fourth proportional to 35,771.16, 49,377.45 and 30,715.08 is: 42,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.16 : 49,377.45 = 30,715.08 : x
  2. Step 2: Convert to fraction form
    35,771.16/49,377.45 = 30,715.08/x
  3. Step 3: Cross multiply
    35,771.16x = 49,377.45 × 30,715.08
  4. Step 4: Simplify right side
    35,771.16x = 1,516,632,080.06
  5. Step 5: Solve for x
    x = 1,516,632,080.06/35,771.16
  6. Step 6: Final answer
    x = 42,398.18

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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.