Home / 42,210.40-63,315.60-24,671.20

Finding the Fourth Proportional to 42,210.40, 63,315.60 and 24,671.20

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Solution

The fourth proportional to 42,210.40, 63,315.60 and 24,671.20 is: 37,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.40 : 63,315.60 = 24,671.20 : x
  2. Step 2: Convert to fraction form
    42,210.40/63,315.60 = 24,671.20/x
  3. Step 3: Cross multiply
    42,210.40x = 63,315.60 × 24,671.20
  4. Step 4: Simplify right side
    42,210.40x = 1,562,071,830.72
  5. Step 5: Solve for x
    x = 1,562,071,830.72/42,210.40
  6. Step 6: Final answer
    x = 37,006.80

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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.