Home / 52,835.16-72,913.02-28,962.30

Finding the Fourth Proportional to 52,835.16, 72,913.02 and 28,962.30

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Solution

The fourth proportional to 52,835.16, 72,913.02 and 28,962.30 is: 39,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,835.16 : 72,913.02 = 28,962.30 : x
  2. Step 2: Convert to fraction form
    52,835.16/72,913.02 = 28,962.30/x
  3. Step 3: Cross multiply
    52,835.16x = 72,913.02 × 28,962.30
  4. Step 4: Simplify right side
    52,835.16x = 2,111,728,759.15
  5. Step 5: Solve for x
    x = 2,111,728,759.15/52,835.16
  6. Step 6: Final answer
    x = 39,968.25

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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.