Home / 42,973.38-64,485.98-18,349.38

Finding the Fourth Proportional to 42,973.38, 64,485.98 and 18,349.38

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Solution

The fourth proportional to 42,973.38, 64,485.98 and 18,349.38 is: 27,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,973.38 : 64,485.98 = 18,349.38 : x
  2. Step 2: Convert to fraction form
    42,973.38/64,485.98 = 18,349.38/x
  3. Step 3: Cross multiply
    42,973.38x = 64,485.98 × 18,349.38
  4. Step 4: Simplify right side
    42,973.38x = 1,183,277,751.69
  5. Step 5: Solve for x
    x = 1,183,277,751.69/42,973.38
  6. Step 6: Final answer
    x = 27,535.13

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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.