Home / 35,776.10-49,368.54-19,859.30

Finding the Fourth Proportional to 35,776.10, 49,368.54 and 19,859.30

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Solution

The fourth proportional to 35,776.10, 49,368.54 and 19,859.30 is: 27,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.10 : 49,368.54 = 19,859.30 : x
  2. Step 2: Convert to fraction form
    35,776.10/49,368.54 = 19,859.30/x
  3. Step 3: Cross multiply
    35,776.10x = 49,368.54 × 19,859.30
  4. Step 4: Simplify right side
    35,776.10x = 980,424,646.42
  5. Step 5: Solve for x
    x = 980,424,646.42/35,776.10
  6. Step 6: Final answer
    x = 27,404.46

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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.