Home / 42,281.08-63,421.62-14,579.08

Finding the Fourth Proportional to 42,281.08, 63,421.62 and 14,579.08

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Solution

The fourth proportional to 42,281.08, 63,421.62 and 14,579.08 is: 21,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,281.08 : 63,421.62 = 14,579.08 : x
  2. Step 2: Convert to fraction form
    42,281.08/63,421.62 = 14,579.08/x
  3. Step 3: Cross multiply
    42,281.08x = 63,421.62 × 14,579.08
  4. Step 4: Simplify right side
    42,281.08x = 924,628,871.71
  5. Step 5: Solve for x
    x = 924,628,871.71/42,281.08
  6. Step 6: Final answer
    x = 21,868.62

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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.