Home / 35,851.98-49,476.93-19,720.53

Finding the Fourth Proportional to 35,851.98, 49,476.93 and 19,720.53

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Solution

The fourth proportional to 35,851.98, 49,476.93 and 19,720.53 is: 27,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.98 : 49,476.93 = 19,720.53 : x
  2. Step 2: Convert to fraction form
    35,851.98/49,476.93 = 19,720.53/x
  3. Step 3: Cross multiply
    35,851.98x = 49,476.93 × 19,720.53
  4. Step 4: Simplify right side
    35,851.98x = 975,711,282.37
  5. Step 5: Solve for x
    x = 975,711,282.37/35,851.98
  6. Step 6: Final answer
    x = 27,214.99

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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.