Home / 30,762.54-42,457.71-29,360.13

Finding the Fourth Proportional to 30,762.54, 42,457.71 and 29,360.13

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Solution

The fourth proportional to 30,762.54, 42,457.71 and 29,360.13 is: 40,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.54 : 42,457.71 = 29,360.13 : x
  2. Step 2: Convert to fraction form
    30,762.54/42,457.71 = 29,360.13/x
  3. Step 3: Cross multiply
    30,762.54x = 42,457.71 × 29,360.13
  4. Step 4: Simplify right side
    30,762.54x = 1,246,563,885.10
  5. Step 5: Solve for x
    x = 1,246,563,885.10/30,762.54
  6. Step 6: Final answer
    x = 40,522.14

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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.