Home / 55,748.36-76,931.74-31,549.08

Finding the Fourth Proportional to 55,748.36, 76,931.74 and 31,549.08

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Solution

The fourth proportional to 55,748.36, 76,931.74 and 31,549.08 is: 43,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.36 : 76,931.74 = 31,549.08 : x
  2. Step 2: Convert to fraction form
    55,748.36/76,931.74 = 31,549.08/x
  3. Step 3: Cross multiply
    55,748.36x = 76,931.74 × 31,549.08
  4. Step 4: Simplify right side
    55,748.36x = 2,427,125,619.80
  5. Step 5: Solve for x
    x = 2,427,125,619.80/55,748.36
  6. Step 6: Final answer
    x = 43,537.17

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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.