Home / 34,688.79-52,047.09-20,655.47

Finding the Fourth Proportional to 34,688.79, 52,047.09 and 20,655.47

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Solution

The fourth proportional to 34,688.79, 52,047.09 and 20,655.47 is: 30,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.79 : 52,047.09 = 20,655.47 : x
  2. Step 2: Convert to fraction form
    34,688.79/52,047.09 = 20,655.47/x
  3. Step 3: Cross multiply
    34,688.79x = 52,047.09 × 20,655.47
  4. Step 4: Simplify right side
    34,688.79x = 1,075,057,236.20
  5. Step 5: Solve for x
    x = 1,075,057,236.20/34,688.79
  6. Step 6: Final answer
    x = 30,991.49

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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.