Home / 30,258.49-45,388.95-10,539.04

Finding the Fourth Proportional to 30,258.49, 45,388.95 and 10,539.04

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Solution

The fourth proportional to 30,258.49, 45,388.95 and 10,539.04 is: 15,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.49 : 45,388.95 = 10,539.04 : x
  2. Step 2: Convert to fraction form
    30,258.49/45,388.95 = 10,539.04/x
  3. Step 3: Cross multiply
    30,258.49x = 45,388.95 × 10,539.04
  4. Step 4: Simplify right side
    30,258.49x = 478,355,959.61
  5. Step 5: Solve for x
    x = 478,355,959.61/30,258.49
  6. Step 6: Final answer
    x = 15,808.98

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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.