Home / 55,411.56-76,465.08-31,538.16

Finding the Fourth Proportional to 55,411.56, 76,465.08 and 31,538.16

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Solution

The fourth proportional to 55,411.56, 76,465.08 and 31,538.16 is: 43,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.56 : 76,465.08 = 31,538.16 : x
  2. Step 2: Convert to fraction form
    55,411.56/76,465.08 = 31,538.16/x
  3. Step 3: Cross multiply
    55,411.56x = 76,465.08 × 31,538.16
  4. Step 4: Simplify right side
    55,411.56x = 2,411,567,927.45
  5. Step 5: Solve for x
    x = 2,411,567,927.45/55,411.56
  6. Step 6: Final answer
    x = 43,521.03

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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.