Home / 30,506.02-42,100.90-17,077.10

Finding the Fourth Proportional to 30,506.02, 42,100.90 and 17,077.10

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Solution

The fourth proportional to 30,506.02, 42,100.90 and 17,077.10 is: 23,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.02 : 42,100.90 = 17,077.10 : x
  2. Step 2: Convert to fraction form
    30,506.02/42,100.90 = 17,077.10/x
  3. Step 3: Cross multiply
    30,506.02x = 42,100.90 × 17,077.10
  4. Step 4: Simplify right side
    30,506.02x = 718,961,026.19
  5. Step 5: Solve for x
    x = 718,961,026.19/30,506.02
  6. Step 6: Final answer
    x = 23,567.84

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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.