Home / 39,312.36-58,991.58-28,207.08

Finding the Fourth Proportional to 39,312.36, 58,991.58 and 28,207.08

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Solution

The fourth proportional to 39,312.36, 58,991.58 and 28,207.08 is: 42,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.36 : 58,991.58 = 28,207.08 : x
  2. Step 2: Convert to fraction form
    39,312.36/58,991.58 = 28,207.08/x
  3. Step 3: Cross multiply
    39,312.36x = 58,991.58 × 28,207.08
  4. Step 4: Simplify right side
    39,312.36x = 1,663,980,216.39
  5. Step 5: Solve for x
    x = 1,663,980,216.39/39,312.36
  6. Step 6: Final answer
    x = 42,327.15

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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.