Home / 35,985.04-49,646.30-20,869.36

Finding the Fourth Proportional to 35,985.04, 49,646.30 and 20,869.36

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Solution

The fourth proportional to 35,985.04, 49,646.30 and 20,869.36 is: 28,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.04 : 49,646.30 = 20,869.36 : x
  2. Step 2: Convert to fraction form
    35,985.04/49,646.30 = 20,869.36/x
  3. Step 3: Cross multiply
    35,985.04x = 49,646.30 × 20,869.36
  4. Step 4: Simplify right side
    35,985.04x = 1,036,086,507.37
  5. Step 5: Solve for x
    x = 1,036,086,507.37/35,985.04
  6. Step 6: Final answer
    x = 28,792.15

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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.