Home / 57,300.68-79,075.63-31,807.55

Finding the Fourth Proportional to 57,300.68, 79,075.63 and 31,807.55

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Solution

The fourth proportional to 57,300.68, 79,075.63 and 31,807.55 is: 43,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,300.68 : 79,075.63 = 31,807.55 : x
  2. Step 2: Convert to fraction form
    57,300.68/79,075.63 = 31,807.55/x
  3. Step 3: Cross multiply
    57,300.68x = 79,075.63 × 31,807.55
  4. Step 4: Simplify right side
    57,300.68x = 2,515,202,055.01
  5. Step 5: Solve for x
    x = 2,515,202,055.01/57,300.68
  6. Step 6: Final answer
    x = 43,894.80

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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.