Home / 30,437.16-42,030-19,126.26

Finding the Fourth Proportional to 30,437.16, 42,030 and 19,126.26

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Solution

The fourth proportional to 30,437.16, 42,030 and 19,126.26 is: 26,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.16 : 42,030 = 19,126.26 : x
  2. Step 2: Convert to fraction form
    30,437.16/42,030 = 19,126.26/x
  3. Step 3: Cross multiply
    30,437.16x = 42,030 × 19,126.26
  4. Step 4: Simplify right side
    30,437.16x = 803,876,707.80
  5. Step 5: Solve for x
    x = 803,876,707.80/30,437.16
  6. Step 6: Final answer
    x = 26,411.03

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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.