Home / 30,848.42-42,570.08-17,419.22

Finding the Fourth Proportional to 30,848.42, 42,570.08 and 17,419.22

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Solution

The fourth proportional to 30,848.42, 42,570.08 and 17,419.22 is: 24,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.42 : 42,570.08 = 17,419.22 : x
  2. Step 2: Convert to fraction form
    30,848.42/42,570.08 = 17,419.22/x
  3. Step 3: Cross multiply
    30,848.42x = 42,570.08 × 17,419.22
  4. Step 4: Simplify right side
    30,848.42x = 741,537,588.94
  5. Step 5: Solve for x
    x = 741,537,588.94/30,848.42
  6. Step 6: Final answer
    x = 24,038.11

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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.