Home / 42,975.48-64,485.90-23,250.36

Finding the Fourth Proportional to 42,975.48, 64,485.90 and 23,250.36

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Solution

The fourth proportional to 42,975.48, 64,485.90 and 23,250.36 is: 34,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.48 : 64,485.90 = 23,250.36 : x
  2. Step 2: Convert to fraction form
    42,975.48/64,485.90 = 23,250.36/x
  3. Step 3: Cross multiply
    42,975.48x = 64,485.90 × 23,250.36
  4. Step 4: Simplify right side
    42,975.48x = 1,499,320,389.92
  5. Step 5: Solve for x
    x = 1,499,320,389.92/42,975.48
  6. Step 6: Final answer
    x = 34,887.81

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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.