Home / 32,931.16-45,427.94-20,973.74

Finding the Fourth Proportional to 32,931.16, 45,427.94 and 20,973.74

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Solution

The fourth proportional to 32,931.16, 45,427.94 and 20,973.74 is: 28,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.16 : 45,427.94 = 20,973.74 : x
  2. Step 2: Convert to fraction form
    32,931.16/45,427.94 = 20,973.74/x
  3. Step 3: Cross multiply
    32,931.16x = 45,427.94 × 20,973.74
  4. Step 4: Simplify right side
    32,931.16x = 952,793,548.94
  5. Step 5: Solve for x
    x = 952,793,548.94/32,931.16
  6. Step 6: Final answer
    x = 28,932.89

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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.