Home / 42,730.76-64,091.10-26,889.05

Finding the Fourth Proportional to 42,730.76, 64,091.10 and 26,889.05

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Solution

The fourth proportional to 42,730.76, 64,091.10 and 26,889.05 is: 40,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,730.76 : 64,091.10 = 26,889.05 : x
  2. Step 2: Convert to fraction form
    42,730.76/64,091.10 = 26,889.05/x
  3. Step 3: Cross multiply
    42,730.76x = 64,091.10 × 26,889.05
  4. Step 4: Simplify right side
    42,730.76x = 1,723,348,792.46
  5. Step 5: Solve for x
    x = 1,723,348,792.46/42,730.76
  6. Step 6: Final answer
    x = 40,330.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.