Home / 30,938.04-46,409.58-9,880.92

Finding the Fourth Proportional to 30,938.04, 46,409.58 and 9,880.92

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Solution

The fourth proportional to 30,938.04, 46,409.58 and 9,880.92 is: 14,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,938.04 : 46,409.58 = 9,880.92 : x
  2. Step 2: Convert to fraction form
    30,938.04/46,409.58 = 9,880.92/x
  3. Step 3: Cross multiply
    30,938.04x = 46,409.58 × 9,880.92
  4. Step 4: Simplify right side
    30,938.04x = 458,569,347.21
  5. Step 5: Solve for x
    x = 458,569,347.21/30,938.04
  6. Step 6: Final answer
    x = 14,822.18

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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.