Home / 51,180.01-70,627.35-28,518.91

Finding the Fourth Proportional to 51,180.01, 70,627.35 and 28,518.91

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Solution

The fourth proportional to 51,180.01, 70,627.35 and 28,518.91 is: 39,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.01 : 70,627.35 = 28,518.91 : x
  2. Step 2: Convert to fraction form
    51,180.01/70,627.35 = 28,518.91/x
  3. Step 3: Cross multiply
    51,180.01x = 70,627.35 × 28,518.91
  4. Step 4: Simplify right side
    51,180.01x = 2,014,215,038.19
  5. Step 5: Solve for x
    x = 2,014,215,038.19/51,180.01
  6. Step 6: Final answer
    x = 39,355.50

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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.