Home / 52,682.02-72,701.21-28,810.91

Finding the Fourth Proportional to 52,682.02, 72,701.21 and 28,810.91

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Solution

The fourth proportional to 52,682.02, 72,701.21 and 28,810.91 is: 39,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,682.02 : 72,701.21 = 28,810.91 : x
  2. Step 2: Convert to fraction form
    52,682.02/72,701.21 = 28,810.91/x
  3. Step 3: Cross multiply
    52,682.02x = 72,701.21 × 28,810.91
  4. Step 4: Simplify right side
    52,682.02x = 2,094,588,271.98
  5. Step 5: Solve for x
    x = 2,094,588,271.98/52,682.02
  6. Step 6: Final answer
    x = 39,759.07

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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.