Home / 65,498.69-98,248.02-21,125.45

Finding the Fourth Proportional to 65,498.69, 98,248.02 and 21,125.45

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Solution

The fourth proportional to 65,498.69, 98,248.02 and 21,125.45 is: 31,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,498.69 : 98,248.02 = 21,125.45 : x
  2. Step 2: Convert to fraction form
    65,498.69/98,248.02 = 21,125.45/x
  3. Step 3: Cross multiply
    65,498.69x = 98,248.02 × 21,125.45
  4. Step 4: Simplify right side
    65,498.69x = 2,075,533,142.87
  5. Step 5: Solve for x
    x = 2,075,533,142.87/65,498.69
  6. Step 6: Final answer
    x = 31,688.17

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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.