Home / 53,347.88-80,030.57-20,070.72

Finding the Fourth Proportional to 53,347.88, 80,030.57 and 20,070.72

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Solution

The fourth proportional to 53,347.88, 80,030.57 and 20,070.72 is: 30,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.88 : 80,030.57 = 20,070.72 : x
  2. Step 2: Convert to fraction form
    53,347.88/80,030.57 = 20,070.72/x
  3. Step 3: Cross multiply
    53,347.88x = 80,030.57 × 20,070.72
  4. Step 4: Simplify right side
    53,347.88x = 1,606,271,061.56
  5. Step 5: Solve for x
    x = 1,606,271,061.56/53,347.88
  6. Step 6: Final answer
    x = 30,109.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.