Home / 32,943.47-45,430.85-21,622.77

Finding the Fourth Proportional to 32,943.47, 45,430.85 and 21,622.77

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Solution

The fourth proportional to 32,943.47, 45,430.85 and 21,622.77 is: 29,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.47 : 45,430.85 = 21,622.77 : x
  2. Step 2: Convert to fraction form
    32,943.47/45,430.85 = 21,622.77/x
  3. Step 3: Cross multiply
    32,943.47x = 45,430.85 × 21,622.77
  4. Step 4: Simplify right side
    32,943.47x = 982,340,712.34
  5. Step 5: Solve for x
    x = 982,340,712.34/32,943.47
  6. Step 6: Final answer
    x = 29,818.99

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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.