Home / 35,852.83-49,478.10-19,720.82

Finding the Fourth Proportional to 35,852.83, 49,478.10 and 19,720.82

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Solution

The fourth proportional to 35,852.83, 49,478.10 and 19,720.82 is: 27,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.83 : 49,478.10 = 19,720.82 : x
  2. Step 2: Convert to fraction form
    35,852.83/49,478.10 = 19,720.82/x
  3. Step 3: Cross multiply
    35,852.83x = 49,478.10 × 19,720.82
  4. Step 4: Simplify right side
    35,852.83x = 975,748,704.04
  5. Step 5: Solve for x
    x = 975,748,704.04/35,852.83
  6. Step 6: Final answer
    x = 27,215.39

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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.