Home / 35,317.56-52,970.04-20,555.40

Finding the Fourth Proportional to 35,317.56, 52,970.04 and 20,555.40

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Solution

The fourth proportional to 35,317.56, 52,970.04 and 20,555.40 is: 30,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,317.56 : 52,970.04 = 20,555.40 : x
  2. Step 2: Convert to fraction form
    35,317.56/52,970.04 = 20,555.40/x
  3. Step 3: Cross multiply
    35,317.56x = 52,970.04 × 20,555.40
  4. Step 4: Simplify right side
    35,317.56x = 1,088,820,360.22
  5. Step 5: Solve for x
    x = 1,088,820,360.22/35,317.56
  6. Step 6: Final answer
    x = 30,829.43

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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.