Home / 48,210.61-72,210.63-20,045.26

Finding the Fourth Proportional to 48,210.61, 72,210.63 and 20,045.26

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Solution

The fourth proportional to 48,210.61, 72,210.63 and 20,045.26 is: 30,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,210.61 : 72,210.63 = 20,045.26 : x
  2. Step 2: Convert to fraction form
    48,210.61/72,210.63 = 20,045.26/x
  3. Step 3: Cross multiply
    48,210.61x = 72,210.63 × 20,045.26
  4. Step 4: Simplify right side
    48,210.61x = 1,447,480,853.11
  5. Step 5: Solve for x
    x = 1,447,480,853.11/48,210.61
  6. Step 6: Final answer
    x = 30,024.11

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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.