Home / 42,312.87-58,376.13-25,317.51

Finding the Fourth Proportional to 42,312.87, 58,376.13 and 25,317.51

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Solution

The fourth proportional to 42,312.87, 58,376.13 and 25,317.51 is: 34,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.87 : 58,376.13 = 25,317.51 : x
  2. Step 2: Convert to fraction form
    42,312.87/58,376.13 = 25,317.51/x
  3. Step 3: Cross multiply
    42,312.87x = 58,376.13 × 25,317.51
  4. Step 4: Simplify right side
    42,312.87x = 1,477,938,255.04
  5. Step 5: Solve for x
    x = 1,477,938,255.04/42,312.87
  6. Step 6: Final answer
    x = 34,928.81

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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.