Home / 42,461.93-63,688.98-14,378.76

Finding the Fourth Proportional to 42,461.93, 63,688.98 and 14,378.76

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Solution

The fourth proportional to 42,461.93, 63,688.98 and 14,378.76 is: 21,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,461.93 : 63,688.98 = 14,378.76 : x
  2. Step 2: Convert to fraction form
    42,461.93/63,688.98 = 14,378.76/x
  3. Step 3: Cross multiply
    42,461.93x = 63,688.98 × 14,378.76
  4. Step 4: Simplify right side
    42,461.93x = 915,768,558.06
  5. Step 5: Solve for x
    x = 915,768,558.06/42,461.93
  6. Step 6: Final answer
    x = 21,566.81

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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.