Home / 47,280.08-70,920.34-14,000.77

Finding the Fourth Proportional to 47,280.08, 70,920.34 and 14,000.77

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Solution

The fourth proportional to 47,280.08, 70,920.34 and 14,000.77 is: 21,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.08 : 70,920.34 = 14,000.77 : x
  2. Step 2: Convert to fraction form
    47,280.08/70,920.34 = 14,000.77/x
  3. Step 3: Cross multiply
    47,280.08x = 70,920.34 × 14,000.77
  4. Step 4: Simplify right side
    47,280.08x = 992,939,368.66
  5. Step 5: Solve for x
    x = 992,939,368.66/47,280.08
  6. Step 6: Final answer
    x = 21,001.22

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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.