Home / 35,140.98-48,492.36-20,031.48

Finding the Fourth Proportional to 35,140.98, 48,492.36 and 20,031.48

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Solution

The fourth proportional to 35,140.98, 48,492.36 and 20,031.48 is: 27,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.98 : 48,492.36 = 20,031.48 : x
  2. Step 2: Convert to fraction form
    35,140.98/48,492.36 = 20,031.48/x
  3. Step 3: Cross multiply
    35,140.98x = 48,492.36 × 20,031.48
  4. Step 4: Simplify right side
    35,140.98x = 971,373,739.49
  5. Step 5: Solve for x
    x = 971,373,739.49/35,140.98
  6. Step 6: Final answer
    x = 27,642.19

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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.