Home / 53,152.36-72,819.09-51,159.40

Finding the Fourth Proportional to 53,152.36, 72,819.09 and 51,159.40

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Solution

The fourth proportional to 53,152.36, 72,819.09 and 51,159.40 is: 70,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152.36 : 72,819.09 = 51,159.40 : x
  2. Step 2: Convert to fraction form
    53,152.36/72,819.09 = 51,159.40/x
  3. Step 3: Cross multiply
    53,152.36x = 72,819.09 × 51,159.40
  4. Step 4: Simplify right side
    53,152.36x = 3,725,380,952.95
  5. Step 5: Solve for x
    x = 3,725,380,952.95/53,152.36
  6. Step 6: Final answer
    x = 70,088.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.