Home / 42,547.20-63,820.80-29,425.20

Finding the Fourth Proportional to 42,547.20, 63,820.80 and 29,425.20

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Solution

The fourth proportional to 42,547.20, 63,820.80 and 29,425.20 is: 44,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.20 : 63,820.80 = 29,425.20 : x
  2. Step 2: Convert to fraction form
    42,547.20/63,820.80 = 29,425.20/x
  3. Step 3: Cross multiply
    42,547.20x = 63,820.80 × 29,425.20
  4. Step 4: Simplify right side
    42,547.20x = 1,877,939,804.16
  5. Step 5: Solve for x
    x = 1,877,939,804.16/42,547.20
  6. Step 6: Final answer
    x = 44,137.80

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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.