Home / 51,027.02-70,423.12-28,368.26

Finding the Fourth Proportional to 51,027.02, 70,423.12 and 28,368.26

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Solution

The fourth proportional to 51,027.02, 70,423.12 and 28,368.26 is: 39,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.02 : 70,423.12 = 28,368.26 : x
  2. Step 2: Convert to fraction form
    51,027.02/70,423.12 = 28,368.26/x
  3. Step 3: Cross multiply
    51,027.02x = 70,423.12 × 28,368.26
  4. Step 4: Simplify right side
    51,027.02x = 1,997,781,378.17
  5. Step 5: Solve for x
    x = 1,997,781,378.17/51,027.02
  6. Step 6: Final answer
    x = 39,151.44

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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.