Home / 35,813.95-53,683.56-19,995.80

Finding the Fourth Proportional to 35,813.95, 53,683.56 and 19,995.80

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Solution

The fourth proportional to 35,813.95, 53,683.56 and 19,995.80 is: 29,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.95 : 53,683.56 = 19,995.80 : x
  2. Step 2: Convert to fraction form
    35,813.95/53,683.56 = 19,995.80/x
  3. Step 3: Cross multiply
    35,813.95x = 53,683.56 × 19,995.80
  4. Step 4: Simplify right side
    35,813.95x = 1,073,445,460.63
  5. Step 5: Solve for x
    x = 1,073,445,460.63/35,813.95
  6. Step 6: Final answer
    x = 29,972.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.