Home / 53,289.47-73,539.60-29,090.45

Finding the Fourth Proportional to 53,289.47, 73,539.60 and 29,090.45

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Solution

The fourth proportional to 53,289.47, 73,539.60 and 29,090.45 is: 40,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.47 : 73,539.60 = 29,090.45 : x
  2. Step 2: Convert to fraction form
    53,289.47/73,539.60 = 29,090.45/x
  3. Step 3: Cross multiply
    53,289.47x = 73,539.60 × 29,090.45
  4. Step 4: Simplify right side
    53,289.47x = 2,139,299,693.00
  5. Step 5: Solve for x
    x = 2,139,299,693.00/53,289.47
  6. Step 6: Final answer
    x = 40,144.89

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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.