Home / 56,225.68-77,555.59-42,767.40

Finding the Fourth Proportional to 56,225.68, 77,555.59 and 42,767.40

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Solution

The fourth proportional to 56,225.68, 77,555.59 and 42,767.40 is: 58,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,225.68 : 77,555.59 = 42,767.40 : x
  2. Step 2: Convert to fraction form
    56,225.68/77,555.59 = 42,767.40/x
  3. Step 3: Cross multiply
    56,225.68x = 77,555.59 × 42,767.40
  4. Step 4: Simplify right side
    56,225.68x = 3,316,850,939.77
  5. Step 5: Solve for x
    x = 3,316,850,939.77/56,225.68
  6. Step 6: Final answer
    x = 58,991.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.