Home / 40,024.49-55,232.21-23,031.32

Finding the Fourth Proportional to 40,024.49, 55,232.21 and 23,031.32

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Solution

The fourth proportional to 40,024.49, 55,232.21 and 23,031.32 is: 31,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.49 : 55,232.21 = 23,031.32 : x
  2. Step 2: Convert to fraction form
    40,024.49/55,232.21 = 23,031.32/x
  3. Step 3: Cross multiply
    40,024.49x = 55,232.21 × 23,031.32
  4. Step 4: Simplify right side
    40,024.49x = 1,272,070,702.82
  5. Step 5: Solve for x
    x = 1,272,070,702.82/40,024.49
  6. Step 6: Final answer
    x = 31,782.31

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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.