Home / 47,931.12-66,145.41-26,421.66

Finding the Fourth Proportional to 47,931.12, 66,145.41 and 26,421.66

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Solution

The fourth proportional to 47,931.12, 66,145.41 and 26,421.66 is: 36,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.12 : 66,145.41 = 26,421.66 : x
  2. Step 2: Convert to fraction form
    47,931.12/66,145.41 = 26,421.66/x
  3. Step 3: Cross multiply
    47,931.12x = 66,145.41 × 26,421.66
  4. Step 4: Simplify right side
    47,931.12x = 1,747,671,533.58
  5. Step 5: Solve for x
    x = 1,747,671,533.58/47,931.12
  6. Step 6: Final answer
    x = 36,462.15

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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.