Home / 30,374.04-41,916.06-16,945.30

Finding the Fourth Proportional to 30,374.04, 41,916.06 and 16,945.30

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Solution

The fourth proportional to 30,374.04, 41,916.06 and 16,945.30 is: 23,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.04 : 41,916.06 = 16,945.30 : x
  2. Step 2: Convert to fraction form
    30,374.04/41,916.06 = 16,945.30/x
  3. Step 3: Cross multiply
    30,374.04x = 41,916.06 × 16,945.30
  4. Step 4: Simplify right side
    30,374.04x = 710,280,216.25
  5. Step 5: Solve for x
    x = 710,280,216.25/30,374.04
  6. Step 6: Final answer
    x = 23,384.45

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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.