Home / 48,312.05-66,672.32-28,165.52

Finding the Fourth Proportional to 48,312.05, 66,672.32 and 28,165.52

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Solution

The fourth proportional to 48,312.05, 66,672.32 and 28,165.52 is: 38,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.05 : 66,672.32 = 28,165.52 : x
  2. Step 2: Convert to fraction form
    48,312.05/66,672.32 = 28,165.52/x
  3. Step 3: Cross multiply
    48,312.05x = 66,672.32 × 28,165.52
  4. Step 4: Simplify right side
    48,312.05x = 1,877,860,588.26
  5. Step 5: Solve for x
    x = 1,877,860,588.26/48,312.05
  6. Step 6: Final answer
    x = 38,869.41

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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.