Home / 35,656.32-53,485.08-13,480.20

Finding the Fourth Proportional to 35,656.32, 53,485.08 and 13,480.20

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Solution

The fourth proportional to 35,656.32, 53,485.08 and 13,480.20 is: 20,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.32 : 53,485.08 = 13,480.20 : x
  2. Step 2: Convert to fraction form
    35,656.32/53,485.08 = 13,480.20/x
  3. Step 3: Cross multiply
    35,656.32x = 53,485.08 × 13,480.20
  4. Step 4: Simplify right side
    35,656.32x = 720,989,575.42
  5. Step 5: Solve for x
    x = 720,989,575.42/35,656.32
  6. Step 6: Final answer
    x = 20,220.53

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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.