Home / 55,030.52-75,941.70-29,880.20

Finding the Fourth Proportional to 55,030.52, 75,941.70 and 29,880.20

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Solution

The fourth proportional to 55,030.52, 75,941.70 and 29,880.20 is: 41,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.52 : 75,941.70 = 29,880.20 : x
  2. Step 2: Convert to fraction form
    55,030.52/75,941.70 = 29,880.20/x
  3. Step 3: Cross multiply
    55,030.52x = 75,941.70 × 29,880.20
  4. Step 4: Simplify right side
    55,030.52x = 2,269,153,184.34
  5. Step 5: Solve for x
    x = 2,269,153,184.34/55,030.52
  6. Step 6: Final answer
    x = 41,234.45

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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.