Home / 38,970.94-58,463.74-12,683.20

Finding the Fourth Proportional to 38,970.94, 58,463.74 and 12,683.20

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Solution

The fourth proportional to 38,970.94, 58,463.74 and 12,683.20 is: 19,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.94 : 58,463.74 = 12,683.20 : x
  2. Step 2: Convert to fraction form
    38,970.94/58,463.74 = 12,683.20/x
  3. Step 3: Cross multiply
    38,970.94x = 58,463.74 × 12,683.20
  4. Step 4: Simplify right side
    38,970.94x = 741,507,307.17
  5. Step 5: Solve for x
    x = 741,507,307.17/38,970.94
  6. Step 6: Final answer
    x = 19,027.19

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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.