Home / 53,153.36-72,820.46-51,160.40

Finding the Fourth Proportional to 53,153.36, 72,820.46 and 51,160.40

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Solution

The fourth proportional to 53,153.36, 72,820.46 and 51,160.40 is: 70,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.36 : 72,820.46 = 51,160.40 : x
  2. Step 2: Convert to fraction form
    53,153.36/72,820.46 = 51,160.40/x
  3. Step 3: Cross multiply
    53,153.36x = 72,820.46 × 51,160.40
  4. Step 4: Simplify right side
    53,153.36x = 3,725,523,861.78
  5. Step 5: Solve for x
    x = 3,725,523,861.78/53,153.36
  6. Step 6: Final answer
    x = 70,090.09

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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.