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Finding the Fourth Proportional to 60,971.76, 84,130.92 and 35,826.12

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Solution

The fourth proportional to 60,971.76, 84,130.92 and 35,826.12 is: 49,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,971.76 : 84,130.92 = 35,826.12 : x
  2. Step 2: Convert to fraction form
    60,971.76/84,130.92 = 35,826.12/x
  3. Step 3: Cross multiply
    60,971.76x = 84,130.92 × 35,826.12
  4. Step 4: Simplify right side
    60,971.76x = 3,014,084,435.63
  5. Step 5: Solve for x
    x = 3,014,084,435.63/60,971.76
  6. Step 6: Final answer
    x = 49,434.11

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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.