Home / 70,328.52-105,480.84-30,875.04

Finding the Fourth Proportional to 70,328.52, 105,480.84 and 30,875.04

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Solution

The fourth proportional to 70,328.52, 105,480.84 and 30,875.04 is: 46,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.52 : 105,480.84 = 30,875.04 : x
  2. Step 2: Convert to fraction form
    70,328.52/105,480.84 = 30,875.04/x
  3. Step 3: Cross multiply
    70,328.52x = 105,480.84 × 30,875.04
  4. Step 4: Simplify right side
    70,328.52x = 3,256,725,154.23
  5. Step 5: Solve for x
    x = 3,256,725,154.23/70,328.52
  6. Step 6: Final answer
    x = 46,307.32

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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.