Home / 32,077.90-47,869.55-28,190.68

Finding the Fourth Proportional to 32,077.90, 47,869.55 and 28,190.68

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Solution

The fourth proportional to 32,077.90, 47,869.55 and 28,190.68 is: 42,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,077.90 : 47,869.55 = 28,190.68 : x
  2. Step 2: Convert to fraction form
    32,077.90/47,869.55 = 28,190.68/x
  3. Step 3: Cross multiply
    32,077.90x = 47,869.55 × 28,190.68
  4. Step 4: Simplify right side
    32,077.90x = 1,349,475,165.79
  5. Step 5: Solve for x
    x = 1,349,475,165.79/32,077.90
  6. Step 6: Final answer
    x = 42,068.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.