Home / 30,254.18-45,386.12-10,538.34

Finding the Fourth Proportional to 30,254.18, 45,386.12 and 10,538.34

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Solution

The fourth proportional to 30,254.18, 45,386.12 and 10,538.34 is: 15,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.18 : 45,386.12 = 10,538.34 : x
  2. Step 2: Convert to fraction form
    30,254.18/45,386.12 = 10,538.34/x
  3. Step 3: Cross multiply
    30,254.18x = 45,386.12 × 10,538.34
  4. Step 4: Simplify right side
    30,254.18x = 478,294,363.84
  5. Step 5: Solve for x
    x = 478,294,363.84/30,254.18
  6. Step 6: Final answer
    x = 15,809.20

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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.