Home / 42,041.42-63,071.36-12,461.58

Finding the Fourth Proportional to 42,041.42, 63,071.36 and 12,461.58

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Solution

The fourth proportional to 42,041.42, 63,071.36 and 12,461.58 is: 18,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,041.42 : 63,071.36 = 12,461.58 : x
  2. Step 2: Convert to fraction form
    42,041.42/63,071.36 = 12,461.58/x
  3. Step 3: Cross multiply
    42,041.42x = 63,071.36 × 12,461.58
  4. Step 4: Simplify right side
    42,041.42x = 785,968,798.35
  5. Step 5: Solve for x
    x = 785,968,798.35/42,041.42
  6. Step 6: Final answer
    x = 18,695.11

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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.