Home / 56,075.86-77,384.76-30,582.28

Finding the Fourth Proportional to 56,075.86, 77,384.76 and 30,582.28

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Solution

The fourth proportional to 56,075.86, 77,384.76 and 30,582.28 is: 42,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.86 : 77,384.76 = 30,582.28 : x
  2. Step 2: Convert to fraction form
    56,075.86/77,384.76 = 30,582.28/x
  3. Step 3: Cross multiply
    56,075.86x = 77,384.76 × 30,582.28
  4. Step 4: Simplify right side
    56,075.86x = 2,366,602,398.05
  5. Step 5: Solve for x
    x = 2,366,602,398.05/56,075.86
  6. Step 6: Final answer
    x = 42,203.59

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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.